Peak Ground Motion Data (Distance Order) for Petrolia Earthquake of 21 Jul 2021, 03:05:30 PDT, 4.3MW 40.2773N 124.4132W, 35.4 km depth Event Id: 73596726 CESMD Engineering Strong Motion Data Center Table Last Updated: 2021-07-21 03:26:28 Network Statn Distance PGAv1 PGAv2 PGV PGD ---- Sa (g) ----- Struct Id Name Nmbr Station Name N.Lat W.Long Epic Fault (g) (g) (cm/s) (cm) .3sec 1sec 3sec Apk(g) NC NCSN KCO Cooskie Peak 40.257 124.266 12.7( -- ) .001 .001 .11 .0 .003 .002 .000 - - NC NCSN KCT Cape Town 40.476 124.337 22.9( -- ) .003 .003 .29 .0 .007 .003 .000 - - NP NSMP 1584 Ferndale; Bunker Hill, FAA Transmitter 40.498 124.294 26.5( -- ) .002 .002 .25 .0 .006 .002 .000 - - NC NCSN KMPB Mount Pierce 40.417 124.121 29.3( -- ) .001 .001 .12 .0 .002 .001 .000 - - NC NCSN KPR Pringle Ridge 40.220 124.057 31.0( -- ) .001 .001 .10 .0 .001 .000 .000 - - NP NSMP 1023 Ferndale; Fire Station 40.576 124.264 35.5( -- ) .005 .005 .31 .0 .012 .003 .000 - - NP NSMP 1586 Loleta; Fire Station 40.644 124.221 43.9( -- ) .004 .004 .20 .0 .007 .002 .000 - - NP NSMP 1582 Eureka; College of the Redwoods 40.698 124.192 50.3( -- ) .006 .006 .33 .0 .009 .002 .000 - - NP NSMP 1581 Eureka; South Bay School 40.735 124.208 53.7( -- ) .003 .003 .21 .0 .007 .001 .000 - -